gf-3.1.6: examples/jem-math/MathFre.gf
--# -path=.:present concrete MathFre of Math = MathI with (Syntax = SyntaxFre), (Mathematical = MathematicalFre), (LexMath = LexMathFre) ;
--# -path=.:present concrete MathFre of Math = MathI with (Syntax = SyntaxFre), (Mathematical = MathematicalFre), (LexMath = LexMathFre) ;